Unable to cancel workflow executions?

I’m trying to cancel long-running workflow executions, but running into some difficulty. I have a workflow that is showing executions still running from 3 days ago, as well as today (these were test executions). When I call the cancel workflow executions endpoint with the execution ID via Postman, I’m getting 204 responses indicating success, but the executions are still showing as running rather than as canceled:

Note: I’ve tried the beta endpoint as well as the v3, both yield the same result. A 204 response, but no canceled execution. :frowning:

Same problem here. Can’t cancel some workflows.

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Thanks for confirming that it’s not just me! I just submitted Case CS0282500 with Customer Support for this.

Engineering ticket opened as a result of the support case: PLTWRKFLW-3839

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